EP1419568B1 - Elektromotor mit hoher ip-schutzart - Google Patents
Elektromotor mit hoher ip-schutzart Download PDFInfo
- Publication number
- EP1419568B1 EP1419568B1 EP03766374A EP03766374A EP1419568B1 EP 1419568 B1 EP1419568 B1 EP 1419568B1 EP 03766374 A EP03766374 A EP 03766374A EP 03766374 A EP03766374 A EP 03766374A EP 1419568 B1 EP1419568 B1 EP 1419568B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electric motor
- motor according
- housing
- stator
- fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
- F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
Definitions
- the present invention relates to an electric motor with a substantially closed or encapsulated motor housing with high IP protection according to DIN / IEC EN 60034-part 5, according to the preamble of claim 1.
- Such electric motors are known (for example, Prospect Ziehl-Abegg "The intelligent Drive”, EC flyer p65-01 / 99), they are usually as brushless, electronic commutated DC external rotor motors executed, the entire required control electronics in the motor housing or the scheduled Electronic housing is integrated. As a result, the electric motor has only on the outside Connecting cables are connected to a supply voltage.
- the Motor housing is designed essentially closed or encapsulated, apart from an annular gap necessary for the rotation between the outer rotor and the adjacent housing portion, said annular gap over a Rotary seal, usually a labyrinth seal, against ingress of Moisture and other foreign substances is sealed.
- This closed Design ensures a high degree of protection, eg. As IP54, but also leads to Problems caused by within the housing during operation heat of the Motor windings and the power components of the control electronics. Thereby are such Electric motors suitable only for a limited power range.
- EP-A-0 501 198 describes a brushless DC motor driven fan with a spiral housing.
- For cooling of Electronic components are provided with special cooling fins on the inside the fan spiral housing are arranged parallel to the fan air flow.
- the present invention has for its object to provide an electric motor of mentioned type, despite the encapsulated motor housing for a higher power range is suitable.
- the external rotor is about a rotor shaft in an in rotatably mounted bearing stator tube sitting the stator.
- the bearing tube is in one piece made of a good heat conducting material consisting of a on the Control electronics facing side radially outwardly guided annular flange connected, which is provided outside the motor housing with cooling fins.
- This advantageous embodiment is a very effective heat dissipation from the Motor housing reached to the outside, passing over that in the stator, usually in a Statorblechonce immediately pressed and therefore in good heat conducting Connection with the stator standing bearing tube the current heat from the Stator windings is derived to the outside to the annular flange, from where the Heat then effectively via the enlarged surface of the cooling fins to the ambient air is delivered.
- the bearing support tube with the annular flange is integrally connected via a transition section, said transition section partition wall is arranged between the stator and the control electronics.
- An electric motor 1 according to the invention is preferably commutated as a brushless electronic commutator DC external rotor motor formed and has according to claim 1 an encapsulated motor housing. 2 such that the motor 1 satisfies a high IP degree of protection according to IEC 60034-5, for example IP54.
- the electric motor 1 consists of a stator 4 (see FIGS. 2 to 4) and a stator 4 from one side as part of the motor housing 2 pot-like surrounding outer rotor 6.
- the stator 4 consists of a laminated stator core 8 (Fig. 4) with stator windings, not shown.
- the stator 4 sits with his Stator laminated core 8 on a bearing support tube 10, which directly with metallic, well heat-conductive contact in an axial opening of the laminated stator core 8 is pressed is.
- the external rotor 6 is via a rotor shaft 12 and bearing elements 14 in the Lagertragrohr 10 rotatably mounted.
- On the outer rotor 6 axially opposite side of the stator 4 closes as another part of the Motor housing 2 an electronics housing 16, in which the entire control electronics 18 is housed for the operation of the electric motor 1.
- a between the rotating outer rotor 6 and the remaining motor housing 2 formed gap is over a suitable rotary seal 20, in particular as a labyrinth seal (see In particular Fig. 2 and 4) is executed, against ingress of moisture or other foreign substances sealed from the outside. This is the desired high IP protection guaranteed.
- the bearing support tube 10 is made in one piece from a good heat-conducting Material consisting of a on the control electronics 18 side facing connected radially outwardly guided annular flange 22, outside the Motor housing 2 is provided with cooling fins 24.
- This annular flange 22 is in one piece connected via a transition section 26 with the bearing support tube 10, wherein the Transition section 26 separating wall-like between the stator 4 and the Control electronics 18 is arranged.
- the external rotor 6 in its the annular flange 22nd facing area carries an air wheel 28 with fan ribs 30, wherein the fan ribs 30 the cooling fins 24 are axially opposite.
- the cooling fins 24 of the annular flange 22 as well as the fan fins 30 extend the air wheel 28 substantially in the axial and radial directions toward each other.
- This version is for both right and left of the External rotor 6 suitable.
- the cooling fins 24 and / or the fan fins 30 depending on the direction of rotation of the external rotor 6 run obliquely to the axial and / or radial direction.
- the above-mentioned rotation or labyrinth seal 20 is shown in the illustrated Embodiment formed between the outer rotor 6 and the annular flange 22, and although specifically between the fixed to the outer rotor 6 air wheel 28th and the annular flange 22.
- the annular flange 22 and the air wheel 28 axially interlocking webs 32.
- the electric motor 1 further comprises means for internal cooling internal air turbulence in the region of the stator 4 and / or the control electronics 18. So sitting in the area between the stator 4 and the control electronics 18 an inner Fan 34 on an extended end 36 of the rotor axis 12.
- this inner fan 34 in the axial direction at least partially within a starting from the bearing support tube 10 funnel-like expanding space 38 is arranged, one with the end 36 of the rotor shaft 12th connected holding portion 40 in the direction of a bearing support tube 10th outgoing funnel-start extends (see in particular Fig. 4).
- the funnel-like Room 38 is characterized by a corresponding funnel-like, in longitudinal section arcuately curved course of the transition section 26 between the Lagertragrohr 10 and outwardly guided annular flange 22 is formed.
- the inner fan 34 has air wings 42, which in the illustrated embodiment in Axial and radial directions. But here, too, can be provided alternatively the air wings 42 to the axial and / or radial direction in dependence on the Align the direction of rotation diagonally or if necessary also forward or backward curved form.
- the control electronics 18 is at least partially on one of the inner fan 34th axially pioneering side of a vertical axis perpendicular to the circuit board 44th arranged. It is radially between the circuit board 44 and the engine or Electronics housing 2/16 a circumferential gap 46 formed.
- the circuit board 44 in their inner area at least one unrecognizable and not designated hole opening on.
- the circumferential gap 46 and the (at least one) Hole opening form flow passages for air moved by the fan 34. This air then contacts the electronics housing 16 from the inside, which therefore preferably outside cooling fins 48 has. On the other hand, the air overflows Also, the transition section 26, so that heat effectively to the annular flange 22 and is led to the outside.
- Cooling wheel 58 is arranged.
- This cooling wheel 58 can also be straight or oblique to the axial and / or radially aligned air fins 60. That preferably as Plastic molded part formed (see also Figs. 7 and 8) cooling wheel 58 is in the illustrated embodiment on a seated on the rotor axis 12 Running hub 62nd fastened, in particular locked.
- the external rotor 6 in its control electronics 18 facing area radially inward in direction an inner, between the stator 4 and the transition portion 26 of the Lagertragrohrs 10 formed housing annular space 64 facing, in particular axially extending air ribs 66 has.
- these air ribs 66 are part of connected to the external rotor 6, outer air wheel 28. This is also on Fig. 5 and 6 referenced. It can also be clearly seen that the air wheel 28 together with the Fan ribs 30, the labyrinth seal 20 forming webs 32 and the air ribs 66 is formed as a one-piece molding made of plastic. According to FIG. 4, the Air wheel 28 is attached via a flange 68 on the outer rotor 6.
- the inner cooling wheel 34 and the inner fan 58 are each formed as a one-piece molding made of plastic.
- the electronics housing 16 is cup-shaped formed and with a housing bottom 70 opposite Connecting edge 72 in particular sealed (seal 74) with the outer, with the bearing support tube 10 connected annular flange 22 is connected.
- the interior of the Electronics housing 16 is thus completely sealed to the outside.
- this indicates Electronics housing 16 has an opening for electrical connection, wherein these Opening with a connector connector 74 is preferably tightly closed.
Description
- Fig. 1
- eine Perspektivansicht eines erfindungsgemäßen Elektromotors im montierten Zustand,
- Fig. 2
- eine perspektivische Viertelschnittansicht des erfindungsgemäßen Elektromotors,
- Fig. 3
- eine perspektivische Explosionsansicht des Elektromotors,
- Fig. 4
- einen Axialschnitt durch den Motor,
- Fig. 5 und 6
- zwei unterschiedliche Perspektivansichten eines Einzelteils und
- Fig. 7 und 8
- zwei Perspektivansichten eines weiteren Einzelteils des erfindungsgemäßen Elektromotors.
Claims (20)
- Elektromotor (1) mit einem gekapselten Motorgehäuse (2) hoher IP-Schutzart von beispielsweise IP54 nach DIN/IEC EN60034-Teil 5, bestehend aus einem Stator (4) und einem den Stator (4) von einer Seite her als Teil des Motorgehäuses (2) topfartig umschließenden, über eine Läuferwelle (12) gelagerten Außenläufer (6) sowie einem sich als weiterer Teil des Motorgehäuses (2) auf der dem Außenläufer (6) axial gegenüberliegenden Seite anschließenden, eine Steuerelektronik (18) enthaltenden Elektronikgehäuse (16), wobei ein zwischen dem Außenläufer (6) und dem angrenzenden Bereich des Motorgehäuses (2) gebildeter Ringspalt gegen Eindringen von Feuchtigkeit und sonstigen Fremdstoffen über eine Rotationsdichtung (20), insbesondere in Form einer Labyrinthdichtung, abgedichtet ist,
gekennzeichnet durch Mittel zur inneren Kühlung durch innere Luftverwirbelung im Bereich des Stators (4) und der Steuerelektronik (18) sowie durch Mittel zur Abführung der inneren Wärme nach außen, wobei der Außenläufer (6) über die Läuferwelle (12) in einem in dem Stator (4) sitzenden Lagertragrohr (10) drehbar gelagert ist, wobei das Lagertragrohr (10) einstückig aus einem gut wärmeleitenden Material bestehend mit einem auf der der Steuerelektronik (18) zugewandten Seite radial nach außen geführten Ringflansch (22) verbunden ist, der außerhalb des Motorgehäuses (2) mit Kühlrippen (24) versehen ist, und wobei im Bereich zwischen dem Stator (4) und der Steuerelektronik (18) ein inneres Lüfterrad (34) auf einem verlängerten Ende (36) der Läuferwelle (12) sitzt. - Elektromotor nach Anspruch 1,
dadurch gekennzeichnet, dass derAußenläufer(6)inseinem dem Ringflansch (22) zugewandten Bereich ein Luftrad (28) mit den Kühlrippen (24) axial gegenüberliegenden Lüfterrippen (30) trägt. - Elektromotor nach Anspruch 2,
dadurch gekennzeichnet, dass sich die Kühlrippen (24) des Ringflansches (22) und die Lüfterrippen (30) des Luftrades (28) im Wesentlichen axial aufeinanderzu sowie in radialer Richtung erstrecken. - Elektromotor nach Anspruch 2,
dadurch gekennzeichnet, dass die Kühlrippen (24) und/oder die Lüfterrippen (30) in Abhängigkeit von der Drehrichtung des Außenläufers (6) schräg zur Axial- und/oder Radialrichtung verlaufen. - Elektromotor nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, dass das Lagertragrohr (10) mit dem Ringflansch (22) über einen Übergangsabschnitt (26) einstückig verbunden ist, wobei der Übergangsabschnitt (26) trennwandartig zwischen dem Stator (4) und der Steuerelektronik (18) angeordnet ist. - Elektromotor nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, dass dasinnereLüfterrad(34)in axialer Richtung zumindest bereichsweise innerhalb eines sich von dem Lagertragrohr (10) ausgehend trichterartig erweiternden Raums (38) angeordnet ist, wobei ein mit dem Ende (36) der Läuferachse (12) verbundener Halteabschnitt (40) sich in Richtung eines vom Lagertragrohr (10) ausgehenden Trichteranfangs erstreckt. - Elektromotor nach Anspruch 6,
dadurch gekennzeichnet, dass der trichterartige Raum (38) durch einen entsprechend trichterartigen, im Längsschnitt bogenförmig gekrümmten Verlauf des Übergangsabschnittes (26) zwischen dem Lagertragrohr (10) und dem nach außen geführten Ringflansch (22) gebildet ist. - Elektromotor nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet, dass dasinnereLüfterrad(34) Luftflügel (42) aufweist, die in Axial- und Radialrichtung verlaufen oder zur Axial- und/oder Radialrichtung in Abhängigkeit von der Drehrichtung schräg ausgerichtet sind. - Elektromotor nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet, dass die Steuerelektronik (18) zumindest teilweise auf einer von dem inneren Lüfterrad (34) wegweisenden Seite einer Leiterplatte (44) angeordnet ist, wobei radial zwischen der Leiterplatte (44) und dem Elektronikgehäuse (16) ein Umfangsspalt (46) und im inneren Flächenbereich der Leiterplatte (44) mindestens eine Lochöffnung als Strömungspassagen für durch das Lüfterrad (34) bewegte Luft gebildet sind. - Elektromotor nach einem der Ansprüche 1 bis 9,
dadurch gekennzeichnet, dass das Elektronikgehäuse (16) außenseitige Kühlrippen (48) aufweist. - Elektromotor nach einem der Ansprüche 1 bis 10,
dadurch gekennzeichnet, dass mindestens ein im Betrieb Wärme erzeugendes Bauteil der Steuerelektronik (18) mit wärmeleitendem Kontakt innenseitig an dem Elektronikgehäuse (16) befestigt ist. - Elektromotor nach einem der Ansprüche 1 bis 11,
dadurch gekennzeichnet, dass das Elektronikgehäuse (16) mindestens einen nach innen vorspringenden und außenseitig eine Vertiefung (50) bildenden Halteabschnitt (52) für mindestens ein zu kühlendes Bauteil der Steuerelektronik (18) aufweist, wobei vorzugsweise in der außenseitigen Vertiefung (50) Kühlrippen (48) angeordnet sind. - Elektromotor nach einem der Ansprüche 1 bis 12,
dadurch gekennzeichnet, dass in einem zwischen dem Stator (4) und einem topfartig geschlossenen Ende (54) des Außenläufers (6) gebildeten Innenraum (56) ein mit dem Außenläufer (6) rotierendes Kühlrad (58) angeordnet ist. - Elektromotor nach Anspruch 13,
dadurch gekennzeichnet, dass dasKühlrad(58)aufeinerauf der Lüfterachse (12) sitzenden Läufemabe (62) befestigt, vorzugsweise verrastet ist. - Elektromotor nach einem der Ansprüche 1 bis 14,
dadurch gekennzeichnet, dass der Außenläufer (6) in seinem der Steuerelektronik (18) zugekehrten Bereich radial nach innen in Richtung eines inneren Gehäuse-Ringraumes (64) weisende Luftrippen (66) aufweist. - Elektromotor nach Anspruch 15,
dadurch gekennzeichnet, dass die Luftrippen (66) Teil des mit dem Außenläufer (6) verbundenen, äußeren Luftrades (28) sind. - Elektromotor nach einem der Ansprüche 2 bis 16,
dadurch gekennzeichnet, dass das Luftrad (28) als einstückiges Formteil aus Kunststoff ausgebildet ist. - Elektromotor nach einem der Ansprüche 1 bis 17,
dadurch gekennzeichnet, dass das innere Lüfterrad (34) als einstückiges Formteil aus Kunststoff ausgebildet ist. - Elektromotor nach einem der Ansprüche 13 bis 18,
dadurch gekennzeichnet, dass das innere Kühlrad (58) als einstückiges Formteil aus Kunststoff ausgebildet ist. - Elektromotor nach einem der Ansprüche 1 bis 19,
dadurch gekennzeichnet, dass das Elektronikgehäuse (16) topfförmig ausgebildet und mit einem einem Gehäuseboden (70) gegenüberliegenden Verbindungsrand (72) insbesondere abgedichtet mit dem äußeren, mit dem Lagertragrohr (10) verbundenen Ringflansch (22) verbunden ist.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20211857U | 2002-08-01 | ||
DE20211857U DE20211857U1 (de) | 2002-08-01 | 2002-08-01 | Lüfteranordnung zur Kühlung von Kraftfahrzeug-Motoren |
DE10313274 | 2003-03-24 | ||
DE10313274A DE10313274A1 (de) | 2002-08-01 | 2003-03-24 | Elektromotor mit hoher IP-Schutzart |
PCT/EP2003/008453 WO2004013944A1 (de) | 2002-08-01 | 2003-07-31 | Elektromotor mit hoher ip-schutzart |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1419568A1 EP1419568A1 (de) | 2004-05-19 |
EP1419568B1 true EP1419568B1 (de) | 2005-05-04 |
Family
ID=31496759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03766374A Expired - Lifetime EP1419568B1 (de) | 2002-08-01 | 2003-07-31 | Elektromotor mit hoher ip-schutzart |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1419568B1 (de) |
AT (1) | ATE295014T1 (de) |
AU (1) | AU2003263193A1 (de) |
WO (1) | WO2004013944A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202007019072U1 (de) | 2007-09-26 | 2010-05-20 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Elektromotor |
EP2429067A1 (de) | 2010-09-09 | 2012-03-14 | ebm-papst Mulfingen GmbH & Co. KG | "Rotor für einen Elektro-Außenläufermotor sowie Außenläufermotor" |
EP3890168A1 (de) * | 2020-04-02 | 2021-10-06 | Shandong Dingfeng Aviation Technology Co., Ltd. | Motor mit aussenrotor |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PT2214293E (pt) | 2009-01-29 | 2015-03-02 | Ebm Papst Mulfingen Gmbh & Co | Unidade de estator com junta de estanquidade contra a humidade |
CN102522836A (zh) * | 2011-12-30 | 2012-06-27 | 上海日用-友捷汽车电气有限公司 | 电机的外转子组件 |
US9467030B2 (en) * | 2013-03-15 | 2016-10-11 | Regal Beloit Australia Pty Ltd | Air-cooled electric machine and method of assembling the same |
WO2016057582A1 (en) * | 2014-10-08 | 2016-04-14 | Remy Technologies, Llc | Axially extending electric machine electronics cooling tower |
WO2016057558A1 (en) * | 2014-10-08 | 2016-04-14 | Remy Technologies, Llc | Centrally located control electronics for electric machine |
DE102016108233A1 (de) | 2016-05-03 | 2017-11-09 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Motoraufnahmevorrichtung |
DE202016102350U1 (de) | 2016-05-03 | 2016-06-06 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Motoraufnahmevorrichtung |
IT201600118253A1 (it) * | 2016-11-23 | 2018-05-23 | Nicotra Gebhardt S P A | Motore elettrico a rotore esterno |
CN108725769A (zh) * | 2017-04-19 | 2018-11-02 | 深圳市道通智能航空技术有限公司 | 一种电机散热件、电机及飞行器 |
DE102017122494A1 (de) | 2017-09-27 | 2019-03-28 | Ebm-Papst Landshut Gmbh | Elektromotor mit verbesserter Motorkühlung zum Antrieb eines Lüfters |
DE102018118925A1 (de) * | 2018-08-03 | 2020-02-06 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Lüfter mit Kühlkörper |
DE102018219006A1 (de) * | 2018-11-07 | 2020-05-07 | Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg | Lüfteranordnung für ein Kraftfahrzeug |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2494517A1 (fr) * | 1980-11-19 | 1982-05-21 | Marchal Equip Auto | Alternateur pour vehicule automobile comportant un inducteur rotatif porte par un arbre creux |
US4883982A (en) * | 1988-06-02 | 1989-11-28 | General Electric Company | Electronically commutated motor, blower integral therewith, and stationary and rotatable assemblies therefor |
DE4106130A1 (de) * | 1991-02-27 | 1992-09-03 | Licentia Gmbh | Durch einen buerstenlosen gleichstrommotor angetriebenes geblaese mit einem spiralfoermigen gehaeuse |
-
2003
- 2003-07-31 AU AU2003263193A patent/AU2003263193A1/en not_active Abandoned
- 2003-07-31 AT AT03766374T patent/ATE295014T1/de not_active IP Right Cessation
- 2003-07-31 WO PCT/EP2003/008453 patent/WO2004013944A1/de not_active Application Discontinuation
- 2003-07-31 EP EP03766374A patent/EP1419568B1/de not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202007019072U1 (de) | 2007-09-26 | 2010-05-20 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Elektromotor |
EP2429067A1 (de) | 2010-09-09 | 2012-03-14 | ebm-papst Mulfingen GmbH & Co. KG | "Rotor für einen Elektro-Außenläufermotor sowie Außenläufermotor" |
US8810086B2 (en) | 2010-09-09 | 2014-08-19 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Rotor for an electric external rotor motor and external rotor motor |
EP3890168A1 (de) * | 2020-04-02 | 2021-10-06 | Shandong Dingfeng Aviation Technology Co., Ltd. | Motor mit aussenrotor |
US11824404B2 (en) * | 2020-04-02 | 2023-11-21 | Shandong Dingfeng Aviation Technology Co., Ltd. | Motor with outer rotor having exhaust plates |
Also Published As
Publication number | Publication date |
---|---|
AU2003263193A1 (en) | 2004-02-23 |
EP1419568A1 (de) | 2004-05-19 |
ATE295014T1 (de) | 2005-05-15 |
WO2004013944A1 (de) | 2004-02-12 |
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